161552020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{9697}}^1$

素因数の和:9737

約数の個数: 72

約数和(自身を含む): 417906216

約数和(自身を除く): 256354196

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4165, 8330, 9697, 16660, 19394, 38788, 48485, 67879, 96970, 135758, 164849, 193940, 271516, 329698, 339395, 475153, 659396, 678790, 824245, 950306, 1153943, 1357580, 1648490, 1900612, 2307886, 2375765, 3296980, 4615772, 4751530, 5769715, 8077601, 9503060, 11539430, 16155202, 23078860, 32310404, 40388005, 80776010, 161552020]

約数ペア:

[(1, 161552020), (2, 80776010), (4, 40388005), (5, 32310404), (7, 23078860), (10, 16155202), (14, 11539430), (17, 9503060), (20, 8077601), (28, 5769715), (34, 4751530), (35, 4615772), (49, 3296980), (68, 2375765), (70, 2307886), (85, 1900612), (98, 1648490), (119, 1357580), (140, 1153943), (170, 950306), (196, 824245), (238, 678790), (245, 659396), (340, 475153), (476, 339395), (490, 329698), (595, 271516), (833, 193940), (980, 164849), (1190, 135758), (1666, 96970), (2380, 67879), (3332, 48485), (4165, 38788), (8330, 19394), (9697, 16660)]